Stages of life, lifestyle changes, diet and health conditions all impact the amount of vitamin B12 you need to avoid a deficiency
Related condition pages include Vitamin B12 Deficiency, Pernicious Anemia, and Megaloblastic Anemia
This allows the solution to be used multiple times under proper sterile conditions, unlike standard sterile water which is typically single-use
Laboratories and manufacturing facilities that make the injections are certified by globally recognized institutions such as the US Food and Drug Administration (FDA)
It also contributes to cell structure, metabolism, efficient energy consumption, storage, and fat burning
However, it is worth noting that another medication in the incretin-based therapy class metformin is well-established to reduce vitamin B12 absorption in some patients through effects on calcium-dependent ileal uptake mechanisms